<template>
    <div class="wxb-editor">
        <photos :show-photo="shwoPhoto" v-model="shwoPhoto" @select="uploadSuccess"></photos>
        <quill-editor
                :value="content"
                ref="myQuillEditor"
                :options="editorOption"
                @blur="onEditorBlur($event)" @focus="onEditorFocus($event)"
                @change="onEditorChange($event)">
        </quill-editor>
    </div>
</template>
<script>
    // 工具栏配置
    import Photos from "../upload/Photos";

    const toolbarOptions = [
        ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线
        ["blockquote", "code-block"], // 引用  代码块
        [{list: "ordered"}, {list: "bullet"}], // 有序、无序列表
        [{script: "sub"}, {script: "super"}], // 上标/下标
        [{indent: "-1"}, {indent: "+1"}], // 缩进
        // [{'direction': 'rtl'}],                         // 文本方向
        [{size: ["small", false, "large", "huge"]}], // 字体大小
        [{header: [1, 2, 3, 4, 5, 6, false]}], // 标题
        [{color: []}, {background: []}], // 字体颜色、字体背景颜色
        [{font: []}], // 字体种类
        [{align: []}], // 对齐方式
        ["clean"], // 清除文本格式
        ["image", "video"], // 链接、图片、视频
    ];

    import "quill/dist/quill.core.css";
    import "quill/dist/quill.snow.css";
    import "quill/dist/quill.bubble.css";
    import Quill from 'quill';
    import {quillEditor} from 'vue-quill-editor';
    import ImageResize from 'quill-image-resize-module';  //添加
    import {ImageDrop} from 'quill-image-drop-module'; // 拖动加载图片组件
    Quill.register('modules/imageDrop', ImageDrop);  //添加
    Quill.register('modules/imageResize', ImageResize);  //添加

    export default {
        name: 'HtmlEditor',
        props: {
            /*编辑器的内容*/
            value: {
                type: String
            },
        },
        components: {
            Photos,
            quillEditor
        },
        computed: {
            content(){
                return this.value;
            },
        },
        data() {
            var that = this;
            return {
                shwoPhoto: false,
                quillUpdateImg: false, // 根据图片上传状态来确定是否显示loading动画，刚开始是false,不显示
                editorOption: {
                    theme: "snow", // or 'bubble'
                    placeholder: "您想说点什么？",
                    modules: {
                        imageDrop: true, // 拖动加载图片组件。
                        imageResize: {   //添加
                            displayStyles: {   //添加
                                backgroundColor: 'black',
                                border: 'none',
                                color: 'white'
                            },
                            modules: ['Resize', 'DisplaySize', 'Toolbar']   //添加
                        },
                        toolbar: {
                            container: toolbarOptions,
                            handlers: {
                                image: function (value) {
                                    if (value) {
                                        that.shwoPhoto = true;
                                        // 触发input框选择图片文件
                                        // document.querySelector(".avatar-uploader input").click();
                                    } else {
                                        this.quill.format("image", false);
                                    }
                                },
                            }
                        }
                    }
                },
                header: {}
            };
        },

        created() {

        },

        methods: {
            onEditorBlur() {
                //失去焦点事件
            },
            onEditorFocus() {
                //获得焦点事件
            },
            onEditorChange(val) {
                this.$emit("input", val.html);
            },

            uploadSuccess(res) {
                // res为图片服务器返回的数据
                // 获取富文本组件实例
                let quill = this.$refs.myQuillEditor.quill;
                let length = quill.getSelection() ? quill.getSelection().index : 0;
                quill.insertEmbed(length, "image", res);
                // 调整光标到最后
                quill.setSelection(length + 1);
                this.quillUpdateImg = false;
            },

        },


    };

</script>

<style>

    .wxb-editor {
        width: 375px;
        height: 100%;
    }

    .ql-container {
        height: 500px;
        overflow-y: auto;
    }

    .ql-snow .ql-tooltip[data-mode=video]::before {
        content: "请输入视频地址:";
    }

    .ql-snow .ql-tooltip.ql-editing a.ql-action::after {
        border-right: 0;
        content: '保存';
        padding-right: 0;
    }

    .ql-snow .ql-tooltip[data-mode=video]::before {
        content: "请输入视频地址:";
    }

    .ql-snow .ql-tooltip.ql-flip{
        left: 60px !important;
        top: 25px !important;
    }
    .ql-snow .ql-picker.ql-size .ql-picker-label::before,
    .ql-snow .ql-picker.ql-size .ql-picker-item::before {
        content: '14px';
    }

    .ql-snow .ql-picker.ql-size .ql-picker-label[data-value=small]::before,
    .ql-snow .ql-picker.ql-size .ql-picker-item[data-value=small]::before {
        content: '10px';
    }

    .ql-snow .ql-picker.ql-size .ql-picker-label[data-value=large]::before,
    .ql-snow .ql-picker.ql-size .ql-picker-item[data-value=large]::before {
        content: '18px';
    }

    .ql-snow .ql-picker.ql-size .ql-picker-label[data-value=huge]::before,
    .ql-snow .ql-picker.ql-size .ql-picker-item[data-value=huge]::before {
        content: '32px';
    }

    .ql-snow .ql-picker.ql-header .ql-picker-label::before,
    .ql-snow .ql-picker.ql-header .ql-picker-item::before {
        content: '文本';
    }

    .ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
    .ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
        content: '标题1';
    }

    .ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
    .ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
        content: '标题2';
    }

    .ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
    .ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
        content: '标题3';
    }

    .ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
    .ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
        content: '标题4';
    }

    .ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
    .ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
        content: '标题5';
    }

    .ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
    .ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
        content: '标题6';
    }

    .ql-snow .ql-picker.ql-font .ql-picker-label::before,
    .ql-snow .ql-picker.ql-font .ql-picker-item::before {
        content: '标准字体';
    }

    .ql-snow .ql-picker.ql-font .ql-picker-label[data-value=serif]::before,
    .ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]::before {
        content: '衬线字体';
    }

    .ql-snow .ql-picker.ql-font .ql-picker-label[data-value=monospace]::before,
    .ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]::before {
        content: '等宽字体';
    }
</style>
